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The Iridium Industry

By Wm. L. Dudley

A French Steam Brewery

How to make Photo Printing Blocks

Photos in Ink

By Samuel C. Riley

Chimney Climbing

Electro-Magnetic Ore Dressing

Fermentation of Indigo Vats

By L. Benoist

Improved Hop-Washing Machine

New Bleaching Process

“Animal Charcoal”

California Laughing Gas

The Liquefaction of Gases

Cork Cathedral

The Two Manners of Motion of Water

By Osborne Reynolds

Improved Pumping Engines

A Novel Globe Valve

The Gardner Gun

The Distribution of Steam in Cities

Improvements of the Locomotive

Minchin's Absolute Sinus Electrometer

Water Supply

Dr. Kohlrausch's Apparatus for Magnetic and Electric Measurements

National Health and Work

By James Paget

Lippmann's Mercurial Galvanometer

Pasteur's Researches on Rabies

Farmyard Manure-A Medium for the Development of Parasitic Diseases

By A. B. Griffiths

Prehistoric Man in Egypt and Syria

The Burrowing Cray Fish

Plague of Locusts in Yucatan


  • Departments

    Patents - August 9, 1884

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